- [Instructor] Whatever measurement systems
you use in your day-to-day life and work,
when you're specifying text sizes,
most of the time, you're likely going to be using points
for print and pixels for screens.
When specified, points are abbreviated to PT
and pixels to PX,
but there the similarity ends
as variable pixel densities of the world of screens
mean that pixel based measurements
often use relative systems instead
which you'll need to investigate later.
Back in the world of document design,
another type measurement you may see is the Pica
which is equal to 12 points
and the abbreviated form is simply the letter P.
Instead of saying 36 points,
you could say three Picas.
Instead of saying 30 points,
you could express that as two Pica six.
You wouldn't need to say points after that
as in the same way, if someone asked you how tall you were
you may say I'm five foot 10.
Very rarely do people say I'm five foot 10 inches
because you know what the next smallest unit
of measurement is.
There are times though
where you'll need to change the physical units of the world
and if you were designing a huge piece of type
for an exhibition,
you'd be much more likely to specify it as eight feet
for example, rather than 6,912 points.
Let common sense prevail beyond the boundaries
of the document is my advice.